Glossary Words Chapter 23

afterbirth         placenta          vagina

cervix             amnion            chorion        

corpus lutem       ejaculation       penis

semen              sperm             seninal vessicles 

epididymis         fetus             fraternal twins

identical twins    gestation         implantation

ovulation          progesterone      estrogen 

testosterone       vas deferens      uterus

scrotum            follicle          umbilical cord

menstrual cycle    menstruation      fallopian tube
 
labor              embryo            2ndary sex characteristics